/* 实现滚动方法二 */
* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
    font-size: 0;
}

body {
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

.container {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}

.container .navigation_bar {
    width: 100px;
    position: absolute;
    right: 15px;
    top: 30%;
    z-index: 1;
    opacity: 0;
    transition: 0.5s;
}

.container .navigation_bar .navigation {
    height: 50px;
    line-height: 50px;
    font-size: 20px;
    text-align: center;
    cursor: pointer;
    margin-bottom: 15px;
    border-right: 5px solid transparent;
}

.container .navigation_bar .navigation.active {
    color: #22bbff;
    border-right: 5px solid #22bbff;
}

.container .content {
    width: 100%;
    height: 100%;
    transition: 0.3s;
    transform: translateY(0px);
    /* position: absolute; */
    /* left: 0; */
    /* top: 0; */
    /* z-index: 1; */
}

.container .content .card {
    width: 100%;
    height: 100%;
    font-size: 30px;
    font-weight: bold;
}

.container .content .card.card_1 {
    background-color: black;
}

.container .content .card.card_1 .loading {
    width: 100%;
    height: 100%;
    position: relative;
}

.container .content .card.card_1 .loading .pop {
    width: 100%;
    height: 500px;
    position: absolute;
    left: 50%;
    top: 40%;
    transform: translate(-50%, -50%);
    /* background-color: #22bbff; */
}

.container .content .card.card_1 .loading .logo {
    opacity: 0.1;
    transition: 0.5s;
    width: 70px;
    height: 70px;
    object-fit: contain;
    position: absolute;
    left: 50%;
    top: 40%;
    transform: translate(-50%, -50%);
}

.container .content .card.card_1 .loading .line {
    opacity: 0.1;
    transition: 0.5s;
    width: 100px;
    height: 2.5px;
    background-color: #fff;
    transition: 0.5s;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

.container .content .card.card_1 .loading .line.line-left {
    left: 0;
}

.container .content .card.card_1 .loading .line.line-right {
    right: 0;
}

.container .content .card.card_1 .loading .schedule {
    opacity: 0.1;
    transition: 0.5s;
    font-size: 26px;
    color: #fff;
    position: absolute;
    left: 50%;
    top: 55%;
    transform: translate(-50%, -50%);
}

.container .content .card.card_1 .loading .img {
    width: 100%;
    height: 100%;
}

.container .content .card.card_2 {
    background-color: green;
}

.container .content .card.card_3 {
    background-color: blue;
}

.container .content .card.card_4 {
    background-color: pink;
}